● PBT
Poly(4-vinylpyridine) based novel stationary phase investigated under supercritical fluid chromatography conditions, K. Nagai, T. Shibata, S. Shinkura, A. Ohnishi, J. Chromatogr. A, 1572 (2018) 119-127

Polymeric stationary phases based on poly(butylene terephthalate) and poly(4-vinylpirydine) in the analysis of polyphenols using supercritical fluid chromatography. Application to bee pollen, L. Toribio, S. Arranz, A. M. Ares, J. Bernal, J. Chromatogr. A, 1572 (2018) 128-136

● P4VP
Poly(4-vinylpyridine) based novel stationary phase investigated under supercritical fluid chromatography conditions, K. Nagai, T. Shibata, S. Shinkura, A. Ohnishi, J. Chromatogr. A, 1572 (2018) 119-127

Characterization of Novel Polymer-Based Pyridine Stationary Phases for Supercritical Fluid Chromatography, C. West, E. Lemasson, K. Nagai, T. Shibata, P. Franco, S. Bertin, P. Hennig, E. Lesellier, Chromatographia, (2018), 1-10

Chaotropic Effects in Sub/Supercritical Fluid Chromatography via Ammonium Hydroxide in Water-Rich Modifiers: Enabling Separation of Peptides and Highly Polar Pharmaceuticals at the Preparative Scale, J. Liu, A. A. Makarov, R. Bennett, I. A. H. Ahmad, J. DaSilva, M. Reibarkh, I. Mangion, B. F. Mann, E. L. Regalado, Anal Chem., 91 (2019) 13907-13915

● PTZ
1H-Tetrazole-5-amine Immobilized on Substituted Polymer Gel/Silica as a New Stationary Phase for Hydrophilic Interaction Chromatography, M. Dou?a, Chromatographia, 81 (2018) 349-357

High-performance liquid chromatographic separation of 8-aminopyrene-1,3,6-trisulfonic acid labeled N-glycans using a functional tetrazole hydrophilic interaction liquid chromatography column, S. Yamamoto, M. Kinoshita, T. Ikegami, S. Suzuki,J. Chromatogr. A, 1566 (2018) 44-50

Retention characteristics of poly(N-(1H-tetrazole-5-yl)-methacrylamide)-bonded stationary phase in hydrophilic interaction chromatography, X. Fu, M. Cebo, T. Ikegami, M. L?mmerhofer, J. Chromatogr. A, 1609 (2020) 460500

Separation of carbohydrate isomers and anomers on poly- N -(1 H -tetrazole-5-yl)-methacrylamide-bonded stationary phase by hydrophilic interaction chromatography as well as determination of anomer interconversion energy barriers, X. Fu, M. Cebo, T. Ikegami, M. L?mmerhof, J. Chromatogr. A, 1620(2020)460981